| 摘要 |
An improved sealing composition for concrete which is effective for sealing a concrete surface to prevent the passage of water therethrough comprising a non-refined vegetable oil such as coconut oil, corn oil, cottonseed oil, palm oil, rapeseed (canola) oil, soya oil, sunflower oil, and mixtures thereof; an emulsifier effective for providing a oil-in-water emulsion, and water. A preferred composition comprises a pre-emulsion concentrate comprising essentially of about 95% to about 50% by weight of a non-refined vegetable oil, about 5% to about 50% of an emulsifier comprising a 3 mole ethylene oxide adduct of C12 and C14 alcohols; and water.
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